CVE-2026-98228 Linux Kernel - Race Condition

Linux kernel on MIPS I6500 CPU cores contains a memory ordering vulnerability caused by lack of sync instructions around lld/scd loops, letting attackers cause kernel paging faults and crashes, exploit requires running code on affected CPU cores.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.12% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Race Condition
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
6 October 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version containing the fix for CONFIG_WEAK_REORDERING_BEYOND_LLSC on MIPS I6500 cores.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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